<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    {% block head %}
    {% endblock %}
</head>
<body>
<h1>logo</h1>

<br>
{% block  content1%}
<h1>abc</h1>
{% endblock %}
<br>
<h1>contact</h1>

</body>
</html>